package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * 2022/5/11 18:46 星期三
 * MyMQConfig
 * Created by ASIA 乔帅阳 .
 * --
 * --
 */
@Configuration
public class MyMQConfig {








    //@Bean  Binging,Queue,Exchange

    /**
     * 死信队列
     * 容器中的这些组件都会自动创建（RabbitMQ没有的情况）
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        /**
         * String name,   队列的名字
         * boolean durable, 是否持久化
         * boolean exclusive, 是不是排他的
         * boolean autoDelete, 是不是自动删除
         * @Nullable Map<String, Object> arguments
         */
        Map<String,Object> arguments = new HashMap<>();
        /**
         * 延时队列
         *      x-dead-letter-exchange：order-event-exchange
         *      x-dead-letter-routing-key：order.release.order
         *      x-message-ttl： 60000);
         */
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);



        return queue;
    }
    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }
    @Bean
    public Exchange orderEventExchange(){
        /**
         * String name, 交换机名字
         * boolean durable, 是否持久化
         * boolean autoDelete, 是否自动删除
         * Map<String, Object> arguments
         */
        return new TopicExchange("order-event-exchange", true, false);
    }
    @Bean
    public Binding orderCreateOrderBingding(){
        /**
         * String destination,
         * Binding.DestinationType
         * destinationType,
         * String exchange,
         * String routingKey,
         * @Nullable Map<String, Object> arguments
         */
       return new Binding("order.delay.queue",
              Binding.DestinationType.QUEUE,
              "order-event-exchange",
              "order.create.order",
              null);
    }
    @Bean
    public Binding orderReleaseOrderBingding(){
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }


    /**
     * 订单释放，直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBingding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }
}
